A grieving father who lost his son, Jacob Flickinger, after Israeli airstrikes killed seven World Central Kitchen aid workers spoke to U.S. Secretary of State Anthony Blinken with a clear message. John Flickinger told Blinken on Saturday that the United States, Israel's most important ally, must use its power to pressure Israel to end killings in the Hamas-run territory. Jacob Flickinger, a U.S. and Canadian dual citizen, was killed in the April 1 Israeli drone strikes that hit a convoy he and six other aid workers were traveling in to deliver food aid in Gaza. The 33-year-old Flickinger ...